CN1220339C - Wireless pressure electromagnetic induction system - Google Patents
Wireless pressure electromagnetic induction system Download PDFInfo
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- CN1220339C CN1220339C CNB011438630A CN01143863A CN1220339C CN 1220339 C CN1220339 C CN 1220339C CN B011438630 A CNB011438630 A CN B011438630A CN 01143863 A CN01143863 A CN 01143863A CN 1220339 C CN1220339 C CN 1220339C
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- 230000005674 electromagnetic induction Effects 0.000 title claims abstract description 49
- 230000006698 induction Effects 0.000 claims abstract description 76
- 230000008054 signal transmission Effects 0.000 claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims abstract 22
- 230000005540 biological transmission Effects 0.000 claims description 108
- 238000004146 energy storage Methods 0.000 claims description 17
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000001939 inductive effect Effects 0.000 claims 5
- 230000008878 coupling Effects 0.000 description 48
- 238000010168 coupling process Methods 0.000 description 48
- 238000005859 coupling reaction Methods 0.000 description 48
- 230000002093 peripheral effect Effects 0.000 description 14
- 230000011664 signaling Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000004913 activation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000009514 concussion Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The invention relates to a wireless pressure electromagnetic induction system, which at least comprises a first wireless device and a second wireless device, wherein the first wireless device and the second wireless device respectively at least comprise an induction circuit capable of transmitting and receiving electromagnetic wave signals with specific frequency; the second wireless device further comprises a specific frequency generation sub-circuit and a bidirectional signal transmission gating sub-circuit.
Description
Technical field
The relevant radio electromagnetic pressure induction system of the present invention is particularly about a kind of radio electromagnetic pressure induction system that can launch and receive characteristic frequency.
Background technology
Because the handwriting recognition circuit arrangement can replace mouse, and be more suitable in allowing the user, so the improvement of handwriting recognition circuit arrangement is the rapid field of development in recent years with artificial input mode input characters and pattern than mouse.Handwriting recognition circuit arrangement the earliest, can be considered as is that mouse is replaced with pen, and in order to promote user's operation ease, normally the two replaces mouse with wireless pen and digiboard (tablet), and the nib of wireless pen just corresponds to the left button of mouse usually.Though traditional pen type input product comes out for many years, yet like product all only biases toward in the application of simple functions such as drawing or input in Chinese.
Existing pen type input product is generally a kind of radio electromagnetic pressure induction circuit arrangement.With reference to shown in Figure 1, it is the circuit block diagram of an existing radio magnetic-inductive device.The radio electromagnetic pressure induction device comprises: a wireless pen (cordless pen) and a digiboard (tablet).Have a concussion circuit of being formed by inductance capacitance (LC) in the wireless pen, when touching nib, will produce the variation of inductance value, thereby make the concussion frequency also change thereupon.The variation of the big more then inductance value of pressure of collision nib is big more, thereby the variable quantity of concussion frequency is big more, so put on the size of pen point pressure as can be known by the size of frequency variation.Two switch keys are also arranged on the side of wireless pen, leave the tranmitting frequency that produces changes in capacitance in the inductance capacitance oscillator and change pen, change to predict the switch key that the user presses by the difference of frequency by the joint of button.In addition, digiboard (tablet) has also comprised elements such as detector (detector), amplifier (Amplifier), analog-digital converter.The middle section of the handwriting pad of this quasi-tradition is a loop inductance, has with the equidistant unidirectional antenna of arranging of array way the two-sided of loop inductance.The main application in this unidirectional antenna loop only is to receive the electromagnetic wave signal that special-purpose wireless pen is launched.When radio magnetic pen launching electromagnetic wave, unidirectional antenna will receive this electromagnetic wave, and utilizes the mode of electromagnetic induction to obtain relevant data by digiboard.Yet traditional radio electromagnetic pressure induction device only has and receives signal that peripheral device launches and the simple and easy function that predicts its position.Therefore, the invention provides a kind of new radio electromagnetic pressure induction system, so that strengthen and the function that increases the radio electromagnetic pressure induction device.
Summary of the invention
The object of the present invention is to provide a kind of radio electromagnetic pressure induction system, it can prop up circuit by the control of antenna two-way signaling transmission lock makes the radio electromagnetic pressure induction Circuits System can receive the electromagnetic signal that peripheral device is launched, and also makes the radio electromagnetic pressure induction Circuits System can launch the electromagnetic wave signal of characteristic frequency to peripheral device.
Another object of the present invention is that a kind of radio electromagnetic pressure induction system is being provided, it can be by the characteristic frequency generator so that the two-way conveying type antenna transmission characteristic frequency of radio electromagnetic pressure induction circuit arrangement, and make peripheral circuit produce induced current and induced voltage with induction coil formula storage circuit, reach the usefulness of wireless charging in view of the above.
For realizing above-mentioned purpose, provide a kind of antenna signal transmission circuit that is used for radio electromagnetic pressure induction system according to an aspect of of the present present invention, this radio electromagnetic pressure induction system comprises an amplifier, have a microcontroller of exporting/go into control element and prop up circuit, and one characteristic frequency produce a circuit, this antenna signal transmission circuit comprises: have one first transmission ends, circuit is propped up in one two-way transmitting switch lock control of one second transmission ends and one the 3rd transmission ends, this first transmission ends and this amplifier electrical couplings, this second transmission ends and this microcontroller are propped up this output of circuit/go into the control element electrical couplings, and the 3rd transmission ends and this characteristic frequency produce a circuit electrical couplings; An one antenna selection switch control circuit, this antenna selection switch control group and the control of this transmitted in both directions switch circuit and several antenna electrical couplings; And an aerial position control bus, this aerial position control bus and this microcontroller are propped up circuit, and this antenna selection switch control circuit electrical couplings.
According to a further aspect in the invention, a kind of transmitted in both directions electromagnetic induction circuit that is used for radio electromagnetic pressure induction system is provided, this transmitted in both directions electromagnetic induction circuit that is used for radio electromagnetic pressure induction system comprises at least: one first programmable frequency frequency eliminator, and this first programmable frequency frequency eliminator connects a NAND gate; One second programmable frequency frequency eliminator, this second programmable frequency frequency eliminator connects this first programmable frequency frequency eliminator and forms a first node and a Section Point, wherein, this first node is a microcontroller that connects this radio electromagnetic pressure induction system by a FREQUENCY CONTROL bus; One D flip-flop, this D flip-flop links this Section Point; One first one-way transmission lock, this first one-way transmission lock connects an amplifier of this radio electromagnetic pressure induction system; One inverter, an input of this inverter connect this first one-way transmission lock to form one the 3rd node, and wherein, the 3rd node is to export/go into the controlling signal terminal by one to connect this microcontroller; One second one-way transmission lock, this second one-way transmission lock connects an output and this D flip-flop of this inverter, and wherein, this second one-way transmission lock and this first one-way transmission lock are connected to each other to form one the 4th node; Several transmitted in both directions antenna selection switch elements, these several transmitted in both directions antenna selection switch elements connect the 4th node, and wherein these several transmitted in both directions antenna selection switch elements are to connect this microcontroller by an aerial position control bus; With several two-way conveying type antennas, these several two-way conveying type antenna is to be connected with these several transmitted in both directions antenna selection switch elements respectively.
According to another aspect of the invention, a kind of induction type accumulator that is used for radio electromagnetic pressure induction system is provided, this induction type accumulator that has that is used for radio electromagnetic pressure induction system comprises: an induction coil, and this induction coil has the electromagnetic wave energy of characteristic frequency and produces an induced current by electromagnetic induction principle in order to receive one; One first circuit, this first this induction coil of which couple is to receive this induced current and to carry out a rectified action; One second circuit, this first circuit of this second which couple is with control energy storage effect; With an energy storage device, this energy storage device is coupled this second circuit with store electrical energy.
In accordance with a further aspect of the present invention, provide a kind of radio electromagnetic pressure induction circuit, this radio electromagnetic pressure induction circuit comprises: a microcontroller is propped up circuit; One characteristic frequency produces a circuit, and wherein this characteristic frequency is propped up circuit and this microcontroller and propped up circuit and intercouple; Circuit is propped up in the control of the two-way signal transmission of one antenna lock, and circuit is propped up in the control of the two-way signal transmission of this antenna lock and this microcontroller is propped up circuit and this characteristic frequency produces a circuit electrical couplings; One antenna selection switch props up circuit, and this antenna selection switch props up circuit and this microcontroller is propped up the circuit electrical couplings; And a two-way conveying type antenna loop, this two-way conveying type antenna loop and this antenna selection switch prop up the circuit electrical couplings.Be clearer understanding purpose of the present invention, characteristics and advantage, below in conjunction with accompanying drawing to of the present invention preferable
Embodiment is elaborated.
Description of drawings
Fig. 1 is the circuit box schematic diagram of traditional wireless electromagnetic induction device;
Fig. 2 is in the present invention's first preferred embodiment, the circuit box schematic diagram of radio electromagnetic pressure induction circuit;
Fig. 3 is the circuit box schematic diagram that the characteristic frequency in the present invention's second preferred embodiment produces circuit;
Fig. 4 is the circuit box schematic diagram of the aerial signal transmission circuit in the present invention's the 3rd preferred embodiment;
Fig. 5 A is the circuit box schematic diagram of the transmitted in both directions electromagnetic induction circuit in the present invention's the 4th preferred embodiment;
Fig. 5 B is the circuit box schematic diagram of the peripheral device with induction type accumulator in the present invention's the 4th preferred embodiment; With
Fig. 5 C is the circuit diagram of the induction type accumulator in the present invention's the 4th preferred embodiment.
Embodiment
The present invention is a kind ofly to have characteristic frequency and produce a circuit and transmit the radio electromagnetic pressure induction system that circuit is propped up in the lock control with the antenna two-way signaling in this direction of inquiring into.In order to understand the present invention up hill and dale, detailed making step or structural detail will be proposed in following description.Apparently, execution of the present invention is not defined in the specific details that the technical staff was familiar with of Circuits System.On the other hand, well-known circuit element is not described in the details, with the restriction of avoiding causing the present invention unnecessary.Preferred embodiment of the present invention will be described in detail as follows, yet except these were described in detail, the present invention can also be implemented among other the embodiment widely, and scope of the present invention do not limit by it, and be as the criterion with the claim that claims were limited.
With reference to shown in Figure 2, in the first embodiment of the present invention, at first provide a radio electromagnetic pressure induction circuit 200, radio electromagnetic pressure induction circuit 200 comprises at least: a microcontroller is propped up circuit 210, for example, a microprocessor; One characteristic frequency produces a circuit 220, it is to prop up circuit 210 electrical couplings with microcontroller that characteristic frequency produces a circuit 220, and characteristic frequency produces a circuit 220 can be set the frequency range that generation one is fixed, wherein, characteristic frequency produces a circuit 220 and comprises a programmable frequency frequency divider (programmable frequencydivider) and a trigger at least, for example, D flip-flop; Circuit 230 is propped up in the control of one antenna two-way signaling transmission lock, it is to prop up a circuit 210 and characteristic frequency generation circuit 220 electrical couplings with microcontroller respectively that circuit 230 is propped up in the control of antenna two-way signaling transmission lock, wherein, the control of antenna two-way signaling transmission lock is propped up circuit 230 and is comprised several one-way transmission gate-controlled switch elements at least; It is to prop up circuit 210 electrical couplings with microcontroller that one antenna selection switch props up circuit 240, wherein, antenna selection switch props up circuit 240 and comprises an aerial position control bus (antenna address bus) at least and have the antenna selection switch element of transmitted in both directions with several; One two-way conveying type antenna loop 250, two-way conveying type antenna loop 250 are to prop up circuit 240 electrical couplings with antenna selection switch.
With reference to shown in Figure 3, in the second embodiment of the present invention, at first provide a characteristic frequency that is used for radio electromagnetic pressure induction system to produce circuit 300, characteristic frequency produces circuit 300 and comprises at least: a programmable frequency divider 310, programmable frequency divider 310 and a FREQUENCY CONTROL bus 320 electrical couplings; One NAND gate (NAM) gate) 330, the output 330A of NAND gate 330 is and programmable frequency divider 310 electrical couplings, wherein, a first input end 330B of NAND gate 330 is that one second input 330C of a clock pulse signal activation end (Clock Enable) and NAND gate 330 is a clock pulse signal input part; One trigger 340, D flip-flop for example, trigger 340 is and programmable frequency divider 310 electrical couplings that wherein, trigger 340 comprises a characteristic frequency activation end 340A and a characteristic frequency output 340B at least.Can set the numerical value of one eight bit and it be inputed to characteristic frequency by a micro-control circuit of radio electromagnetic pressure induction input circuit device and produce in the circuit 300 by FREQUENCY CONTROL bus 320, wherein, the above-mentioned particular frequency range that sets comprises between clock signal/256 to clock signal/1 at least, for example, clock signal is 6MHz, and its characteristic frequency that can set produces scope and then is 23.4375KHz to 6MHz.Then, programmable frequency divider 310 carries out one first frequency division effect and produces one first characteristic frequency.Then, transmit the pulse wave input of first characteristic frequency to trigger 340, so that trigger 340 carries out one second frequency division effect and produces one second characteristic frequency, wherein, trigger 340 can be by the second frequency division effect of characteristic frequency activation end 340A control trigger 340, and the particular frequency range of the second frequency division effect comprises between clock signal/512 to clock signal/2 at least.Subsequently, second characteristic frequency is by 340 outputs of characteristic frequency output 340B slave flipflop.
With reference to shown in Figure 4, in the third embodiment of the present invention, at first provide an aerial signal transmission circuit 400 that is used for the radio electromagnetic pressure induction Circuits System.Aerial signal transmission circuit 400 comprises at least: circuit 410 is propped up in a two-way transmitting switch lock control, the first transmission ends 410A that circuit 410 is propped up in the control of transmitted in both directions breaker be an amplifier electrical couplings with the radio electromagnetic pressure induction Circuits System with transmission signals to amplifier, and the control of transmitted in both directions breaker is propped up the second transmission ends 410B of circuit 410 and is propped up the input of circuit/the go out transmission direction that (I/O) control element electrical couplings is propped up circuit 410 with the control of control transmitted in both directions breaker with a microcontroller of radio electromagnetic pressure induction Circuits System, and the 3rd transmission ends 410C that circuit 410 is propped up in the control of transmitted in both directions breaker props up the circuit electrical couplings to receive a characteristic frequency with the characteristic frequency generation of radio electromagnetic pressure induction Circuits System, wherein, the control of transmitted in both directions breaker is propped up circuit 410 and is comprised the one-way transmission lock that several have different transmission directions at least; One antenna selection switch control group 420, circuit 410 and several antennas 430 electrical couplings are propped up with the control of transmitted in both directions breaker by antenna selection switch control group 420, wherein, but antenna selection switch control group 420 comprises the antenna selection switch control element of several transmitted in both directions at least, but the antenna selection switch control element of each transmitted in both directions may command eight strip antennas at least; One aerial position control bus (antenna address bus) 440, aerial position control bus 440 is to prop up circuit and antenna selection switch control group 420 electrical couplings with the microcontroller of radio electromagnetic pressure induction Circuits System respectively, but microcontroller is propped up circuit time opening antenna whereby, and and then makes set specific frequency signal launch by antenna 430.
Shown in figure 5A and Fig. 5 B, in the fourth embodiment of the present invention, the radio electromagnetic pressure induction device 500 of one two-way transmission electromagnetic induction circuit 500A at first is provided, for example, handwriting pad, with a wireless electromagnetic induction peripheral device with induction type accumulator 500B, for example, the radio magnetic pen.The transmitted in both directions electromagnetic induction circuit 500A of radio electromagnetic pressure induction device comprises a characteristic frequency generation device 510, antenna two-way signaling transmission lock control device 515, an antenna selection switch device 520 and a two-way conveying type antenna 525 at least.Wherein, characteristic frequency generation device 510 is microcontroller 505 electrical couplings with the radio electromagnetic pressure induction device, and characteristic frequency generation device 510 can be set and produces a fixing frequency range.In addition, antenna two-way signaling transmission lock control device 515 be respectively with microcontroller 505 and characteristic frequency generation device 510 electrical couplings.In addition, antenna selection switch device 520 is and micromonitor system 505 electrical couplings.On the other hand, two-way conveying type antenna 525 be respectively with antenna selection switch device 520 and microcontroller 505 electrical couplings.
Shown in figure 5A, in the present embodiment, above-mentioned characteristic frequency generation device 510 comprises at least: one first programmable frequency divider 530A and one second programmable frequency frequency divider 530B, the first programmable frequency frequency divider 530A and one second programmable frequency frequency divider 530B electrical couplings are to form a first node 530C and a Section Point 530D, wherein, first node 530C is by a FREQUENCY CONTROL bus 505A and microcontroller 505 electrical couplings; One NAND gate (NAND gate) 540, the output 540A of NAND gate 540 is and the first programmable frequency frequency divider 530A electrical couplings, wherein, a first input end 540B of NAND gate 540 is that one second input 540C of a clock pulse signal activation end and NAND gate 540 is a clock pulse signal input part; One D flip-flop 545, D flip-flop 545 are and Section Point 530D electrical couplings that wherein, D flip-flop 545 comprises a characteristic frequency activation end 545A and a characteristic frequency output 545B at least.
Shown in figure 5A, in the present embodiment, above-mentioned antenna two-way signaling transmission lock control device 515 comprises at least: one first one-way transmission lock 550A, and one first transmission ends of the first one-way transmission lock 550A is an amplifier 555 electrical couplings with the radio electromagnetic pressure induction device; One inverter (not gate; NOT gate) 560, one input of inverter 560 is that one second transmission ends electrical couplings with the first one-way transmission lock 550A is to form one the 3rd node 565A, wherein, the 3rd node 565A is and the input of microcontroller 505/go out (I/O) control signal terminal 505B electrical couplings; One second one-way transmission lock 550B, one first transmission ends of the second one-way transmission lock 550B is the output electrical couplings with inverter 560, and one second transmission ends of the second one-way transmission lock 550B is the characteristic frequency output 545B electrical couplings with D flip-flop 545, and one the 3rd transmission ends of the second one-way transmission lock 550B is that one the 3rd transmission ends electrical couplings with the first one-way transmission lock 550A is to form one the 4th node 565B, wherein, the lock prosecutor of the second one-way transmission lock 550B is to being opposite with the first one-way transmission lock 550A.
Shown in figure 5A, in the present embodiment, above-mentioned antenna selection switch device 520 comprises six transmitted in both directions antenna selection switch elements at least, one first transmission ends of antenna selection switch device 520 is the 4th node 565B electrical couplings of transmitting lock control device 515 with the antenna two-way signaling, and one second transmission ends of antenna selection switch device 520 is by an aerial position control bus (antenna address bus) 505C and microcontroller 505 electrical couplings, wherein, each transmitted in both directions antenna selection switch element may command eight strip antenna.In addition, above-mentioned two-way conveying type antenna 525 comprises 48 strip antennas at least, two-way conveying type antenna 525 be respectively with the transmitted in both directions antenna selection switch electrical couplings of antenna selection switch device 520.
Shown in figure 5B and Fig. 5 C, in the present embodiment, the induction type accumulator 500B of wireless electromagnetic induction peripheral device comprises at least: circuit (Rectifier) 575, energy storage control a circuit 580 and an energy storage device 585 are propped up in an induction coil 570, a rectification, for example, rechargeable battery, wherein, induction coil 570 is to prop up circuit (Rectifier) 575 electrical couplings with rectification, and circuit (Rectifier) the 575th is propped up in rectification, and with energy storage control circuit 580 electrical couplings, and an energy storage control circuit 580 is and energy storage device 585 electrical couplings.In addition, rectification is propped up circuit (Rectifier) 575 and comprised at least: a diode (Diode) 590, an end of diode 590 are that one first transmission ends electrical couplings with induction coil 570 is to form one the 5th node 575A; One capacitor 595, an end of capacitor 595 be other end electrical couplings with diode 590 to form one the 6th node 575B, wherein, the 6th node 575B is and energy storage control circuit 580 electrical couplings; One first resistance 598A, the end of the first resistance 598A is and the 5th node 575A electrical couplings, and the other end of the first resistance 598A is that one second transmission ends electrical couplings with induction coil 570 is to form one the 7th node 575C, wherein, the 7th node 575C is the other end electrical couplings with capacitor 595; One second resistance 598B, the end of the second resistance 598B are and the 6th node 575B electrical couplings, and the other end of the second resistance 598B is and the 7th node 575C electrical couplings.
Shown in figure 5A to Fig. 5 C, in the present embodiment, when the wireless electromagnetic induction peripheral device place the radio electromagnetic pressure induction device around in the particular range of environment the time, the microcontroller 505 of radio electromagnetic pressure induction device that can be by setting one or eight bit value by FREQUENCY CONTROL bus 505A will inputing in the characteristic frequency generator 510 to control the first programmable frequency divider 530A and the second programmable frequency divider 530B, wherein, the above-mentioned particular frequency range that sets comprises between clock signal/256 to clock signal/1 at least.Clock signal input 540C and clock signal activation end 540B import a clock pulse signal to NAND gate 540 and NAND gate 540 export in view of the above among frequency to the first programmable frequency frequency divider 530A.Then, eight bit value imported according to FREQUENCY CONTROL bus 505A of the first programmable frequency divider 530A and the second programmable frequency divider 530B are carried out one first frequency division program and are produced one first characteristic frequency.Then, transmit the pulse wave input of first characteristic frequency to D flip-flop 545, so that carry out one second frequency division program and produce one second characteristic frequency by D flip-flop 545, wherein, the second frequency division program of characteristic frequency activation end 545A may command D flip-flop 545.
Then, second characteristic frequency exports to the second one-way transmission lock 550B of antenna two-way signaling transmission lock control device 515 from D flip-flop 545 by characteristic frequency output 545B, wherein, the microcontroller 505 of radio electromagnetic pressure induction device is controlled the first one-way transmission lock 550A and the second one-way transmission lock 550B by exporting/go into (I/O) control signal terminal 505B.When the first one-way transmission lock 550A opened, then the second one-way transmission lock 550B closed, and therefore the transmission direction of the first one-way transmission lock is receive direction.Relatively, when the second one-way transmission lock 550B opens, then the first one-way transmission lock 550A closes, also i.e. second one-way transmission lock 550B unlatching will make second characteristic frequency transfer in the antenna selection switch device 520 by Section Point 565B, and therefore the transmission direction of the second one-way transmission lock 550B is transmit direction.Simultaneously, the microcontroller 505 of radio electromagnetic pressure induction device can make two-way conveying type antenna 525 launch the electromagnetic wave with second characteristic frequency by each transmitted in both directions antenna selection switch of aerial position control bus 505C time opening antenna selection switch device 520 in view of the above.When electromagnetic wave that radio electromagnetic pressure induction device emission has second characteristic frequency to around in the particular range of environment the time, the induction coil 570 of wireless electromagnetic induction peripheral device will receive the electromagnetic field that electromagnetic wave caused with second characteristic frequency to be changed, and according to the principle of electromagnetic induction and then produce an induced current.Subsequently, induced current transfers in the rectification circuit 575, and by charging control circuit 580 with current delivery to rechargeable battery 585, so that reach the purpose that the wireless electromagnetic induction peripheral device is charged.
In addition, when the two-way conveying type antenna 525 of radio electromagnetic pressure induction device is in accepting state, then the microcontroller 505 of radio electromagnetic pressure induction device controls by importing/go out (I/O) control signal terminal 505B that the first one-way transmission lock 550A opens and the second one-way transmission lock 550B closes.Simultaneously, the microcontroller 505 of radio electromagnetic pressure induction device can make two-way conveying type antenna 525 receive the electromagnetic wave signal with characteristic frequency by each transmitted in both directions antenna selection switch of aerial position control bus 505C time opening antenna selection switch device 520 in view of the above.Owing to only need at least one two-way conveying type antenna 525 to be unlocked at the same time, only need detect and have bigger signal amplitude on the strip antenna, promptly specific as can be known wireless electromagnetic induction peripheral device is positioned at the position on the antenna.
As mentioned above, in an embodiment of the present invention, the present invention can make the radio electromagnetic pressure induction Circuits System can receive the electromagnetic signal that peripheral device is launched by antenna two-way signaling transmission gating circuit, also makes the radio electromagnetic pressure induction Circuits System to produce the electromagnetic wave signal of circuit emission characteristic frequency to peripheral device by characteristic frequency.In addition, the present invention is the transmitting terminal that sends the electromagnetic wave energy of the characteristic frequency that produces by two-way conveying type antenna as the radio electromagnetic pressure induction Circuits System, and cause the variation of electromagnetic field, produce induced current and induced voltage so that have the peripheral circuit of induction coil formula storage circuit, reach the usefulness of wireless charging in view of the above.Therefore, the present invention can meet economically benefit and the usability on the industry.
Certainly, the present invention be except being applied on the radio electromagnetic pressure induction system, also may be used on any charging device with electromagnetic induction.And the present invention produces circuit to produce characteristic frequency by two-way signaling transmission gating circuit and characteristic frequency, and development is used in about radio electromagnetic pressure induction Circuits System aspect not yet so far.
Apparently, according to the description among the top embodiment, the present invention has many corrections and difference.Therefore need be understood in the scope of its additional claim item, except above-mentioned detailed description, the present invention can also implement in other embodiment widely.
Above-mentioned is preferred embodiment of the present invention only, is not in order to limit claim of the present invention; All other do not break away from that the equivalence finished under the disclosed spirit changes or equivalence is replaced, and all should be included in the claim that claims limit.
Claims (22)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011438630A CN1220339C (en) | 2001-12-12 | 2001-12-12 | Wireless pressure electromagnetic induction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011438630A CN1220339C (en) | 2001-12-12 | 2001-12-12 | Wireless pressure electromagnetic induction system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426170A CN1426170A (en) | 2003-06-25 |
| CN1220339C true CN1220339C (en) | 2005-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011438630A Expired - Fee Related CN1220339C (en) | 2001-12-12 | 2001-12-12 | Wireless pressure electromagnetic induction system |
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| CN (1) | CN1220339C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8965461B2 (en) | 2008-05-13 | 2015-02-24 | Qualcomm Incorporated | Reverse link signaling via receive antenna impedance modulation |
| US8878393B2 (en) | 2008-05-13 | 2014-11-04 | Qualcomm Incorporated | Wireless power transfer for vehicles |
| US20100201201A1 (en) * | 2009-02-10 | 2010-08-12 | Qualcomm Incorporated | Wireless power transfer in public places |
| US9312924B2 (en) | 2009-02-10 | 2016-04-12 | Qualcomm Incorporated | Systems and methods relating to multi-dimensional wireless charging |
| US20100201312A1 (en) | 2009-02-10 | 2010-08-12 | Qualcomm Incorporated | Wireless power transfer for portable enclosures |
| US8854224B2 (en) | 2009-02-10 | 2014-10-07 | Qualcomm Incorporated | Conveying device information relating to wireless charging |
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| CN1426170A (en) | 2003-06-25 |
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Owner name: TAIHAN TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIANHAN SCIENCE + TECHNOLOGY CO. LTD. Effective date: 20060630 |
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Effective date of registration: 20060630 Address after: Room 47, No. two, 104 Road, Hsinchu Science Park, Taiwan, China Patentee after: Taihan Science & Technology Address before: Hsinchu Science Industrial Park, Hsinchu Province, Taiwan County, Chuangxin Road, No. 5, No. 3, building 1 Patentee before: Tianhan Science & Technology Co., Ltd. |
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Granted publication date: 20050921 Termination date: 20111212 |